Visit Doctors
Visit
Visit
Call Doctors
Call
Call
Ask Doctors
Ask
Ask
Feed
Home
60 years
My latest prothrombin blood test showed : time : 12.9 sec & activity : 100 sec.& INR : 1 (I DON'T TAKE ANY BLOOD THINNER) is this result normal ? thx
Mar 15, 2014

Dr. Rony Shammas Cardiology
INR of 1 is normal for someone not taking a blood thinner
 •